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(x-2)(x+1)=(x-1)(x+3)

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(x-2)(x+1)=(x-1)(x+3)

Posted by Akkib Sk Sk 6 years, 8 months ago

CBSE > Class 10 > Mathematics

1 answers

Yogita Ingle 6 years, 8 months ago

(x-2)(x+1)=(x-1)(x+3)
x (x + 1) - 2( x+ 1) = x (x + 3) - 1 ( x + 3)
x² + x - 2x - 2 = x²+ 3x - 1x - 3
x² - x - 2 = x² + 2 x - 3
- x - 2x = -3 + 2
- 3x = -1
x = 1/3

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CBSE > Class 10 > Mathematics